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Scrieti toate numerele naturale de forma 2b3 numar si de forma b5 numar

Răspuns :

2b3
b={0,1,2,3,4,5,6,7,8,9}
Nr sunt:203,213,223,233,243,253,263,273,283,293
b5
b={1,2,3,4,5,6,7,8,9}
Nr sunt:15,25,35,45,55,65,75,85,95
203, 213, 223, 233, 243, 253, 263, 273, 283, 293
15, 25, 35, 45, 55, 65, 75, 85, 95